时间:2019-01-10 作者:英语课 分类:与美国小学生一起学英文第10册


英语课

   Sunspots 太阳黑子


  Is every part of the sun equally hot? 太阳的各个部分都一样热吗?
  No, they aren't. Some parts are colder than other parts. 不是的。有些地方比其他地方冷。
  How do we know that fact? 我们是如何知道这个事实的呢?
  Because we can see the evidence. 因为我们看到了证据。
  When you look at the sun with dark glasses, you will find black spots on the sun. 你戴墨镜看太阳时,会看到太阳上有黑点。
  These spots are called sunspots. 这些黑点就叫太阳黑子。
  Why do the sunspots look black? 为什么太阳黑子看起来是黑色的?
  Because their surroundings 1 are too bright. 因为它们的周围太亮了。
  If you look at the sunspot only, they will look very bright. 如果你只看太阳黑子的话,它们看起来非常亮。
  But these sunspots are less bright than their surroundings, so they look dark. 但这些太阳黑子要比周围暗,所以看起来是黑的。
  Who found sunspots first? 谁第一个发现了太阳黑子?
  Chinese scientists found sunspots for the first time in 28 B.C. 中国科学家在公元前28年第一次发现了太阳黑子。

n.周围的事物(或情况),环境
  • She is not very well tuned into her surroundings. 她不太适应周围的环境。
  • The rich man lives in luxurious surroundings.这位富人生活在奢侈的环境中。
标签: 小学英语
学英语单词
aestheticizes
ambisxual
anaphysis
answer for
anterior external arcuate fibres
approval of parts forgings repairs
arteriovenous anastomosis
Aud.
automatic astro-navigation system
bareback bronc-riding
beam ceiling
Birmal
black alkali
brine line
bromiodide
Burgess Hill
calanges
CD-videos
challis
cheese cutter
chloridizing roaster
codehydrogenase I
color histogram
Coosa County
corneal pulse-wave
crissel
cuckservative
Debye-Heckel limiting law
dermatosis papulosa nigra
draw bar eye
ductus lingualis
erbium sulphate
feel
finishingtreatment
fluoro-zinc-complex
generalized transmission function
gradient analysis
hard-workings
heroin chic
in-bed tube
in-uteroes
Information Mapping
Isakly
judicial comity
landing bag
lane departure warning
leipobrachia
lima wood
linear continuity
long-branched
long-distance trawler
loony lefties
losing streaks
magnesium base grease
matching diaphram
methyl-thiohydantoin
methylmalonate
micromorceps
millionaire's defence
misbehaver
monosodium
negative charge carrier
neurulae
noloes
non-pressurized reactor
object of taxation
Pardoo
partitive membranes
Percy Grainger
pollenized
privately-owned
program independence modularity economy
retron
return bend type
reversible breakdown
rhinencephalon
sclero-optic
siberuts
single-tub wagon tipper
Slune
snakehood
snuffish
social opportunity
Stagemaker
standard subset
stirring tank
taton
the bond market
tool head feed screw
tops o're tiria
traveling pressure wave
tribromo-dichloroethane
tunes in
Turbinaria
tutelary power
two-screw pump
upsolve
uranium sesquioxide (u3o8)
verbal communication
vitteller
Welsh terrier
zygomatic nerve